From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id E21CB4CC5 for ; Thu, 29 Jun 2017 06:23:37 +0200 (CEST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP; 28 Jun 2017 21:23:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.40,278,1496127600"; d="scan'208";a="1145901551" Received: from dpdk26.sh.intel.com ([10.67.110.152]) by orsmga001.jf.intel.com with ESMTP; 28 Jun 2017 21:23:36 -0700 From: Wenzhuo Lu To: dev@dpdk.org Cc: cristian.dumitrescu@intel.com, jasvinder.singh@intel.com, Wenzhuo Lu Date: Thu, 29 Jun 2017 12:23:49 +0800 Message-Id: <1498710237-80285-13-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1498710237-80285-1-git-send-email-wenzhuo.lu@intel.com> References: <1495873075-49542-1-git-send-email-wenzhuo.lu@intel.com> <1498710237-80285-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH v3 12/20] net/ixgbe: support getting TM capability X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jun 2017 04:23:38 -0000 Add the support of the Traffic Management API, rte_tm_capabilities_get. Signed-off-by: Wenzhuo Lu --- drivers/net/ixgbe/ixgbe_tm.c | 91 +++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 90 insertions(+), 1 deletion(-) diff --git a/drivers/net/ixgbe/ixgbe_tm.c b/drivers/net/ixgbe/ixgbe_tm.c index 0a222a1..31be5b5 100644 --- a/drivers/net/ixgbe/ixgbe_tm.c +++ b/drivers/net/ixgbe/ixgbe_tm.c @@ -33,8 +33,12 @@ #include "ixgbe_ethdev.h" +static int ixgbe_tm_capabilities_get(struct rte_eth_dev *dev, + struct rte_tm_capabilities *cap, + struct rte_tm_error *error); + const struct rte_tm_ops ixgbe_tm_ops = { - NULL, + .capabilities_get = ixgbe_tm_capabilities_get, }; int @@ -48,3 +52,88 @@ return 0; } + +static inline uint8_t +ixgbe_tc_nb_get(struct rte_eth_dev *dev) +{ + struct rte_eth_conf *eth_conf; + uint8_t nb_tcs = 0; + + eth_conf = &dev->data->dev_conf; + if (eth_conf->txmode.mq_mode == ETH_MQ_TX_DCB) { + nb_tcs = eth_conf->tx_adv_conf.dcb_tx_conf.nb_tcs; + } else if (eth_conf->txmode.mq_mode == ETH_MQ_TX_VMDQ_DCB) { + if (eth_conf->tx_adv_conf.vmdq_dcb_tx_conf.nb_queue_pools == + ETH_32_POOLS) + nb_tcs = ETH_4_TCS; + else + nb_tcs = ETH_8_TCS; + } else { + nb_tcs = 1; + } + + return nb_tcs; +} + +static int +ixgbe_tm_capabilities_get(struct rte_eth_dev *dev, + struct rte_tm_capabilities *cap, + struct rte_tm_error *error) +{ + struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + if (!cap || !error) + return -EINVAL; + + error->type = RTE_TM_ERROR_TYPE_NONE; + + /* set all the parameters to 0 first. */ + memset(cap, 0, sizeof(struct rte_tm_capabilities)); + + /** + * here is the max capability not the current configuration. + */ + /* port + TCs + queues */ + cap->n_nodes_max = 1 + IXGBE_DCB_MAX_TRAFFIC_CLASS + + hw->mac.max_tx_queues; + cap->n_levels_max = 3; + cap->non_leaf_nodes_identical = 1; + cap->leaf_nodes_identical = 1; + cap->shaper_n_max = cap->n_nodes_max; + cap->shaper_private_n_max = cap->n_nodes_max; + cap->shaper_private_dual_rate_n_max = 0; + cap->shaper_private_rate_min = 0; + /* 10Gbps -> 1.25GBps */ + cap->shaper_private_rate_max = 1250000000ull; + cap->shaper_shared_n_max = 0; + cap->shaper_shared_n_nodes_per_shaper_max = 0; + cap->shaper_shared_n_shapers_per_node_max = 0; + cap->shaper_shared_dual_rate_n_max = 0; + cap->shaper_shared_rate_min = 0; + cap->shaper_shared_rate_max = 0; + cap->sched_n_children_max = hw->mac.max_tx_queues; + /** + * HW supports SP. But no plan to support it now. + * So, all the nodes should have the same priority. + */ + cap->sched_sp_n_priorities_max = 1; + cap->sched_wfq_n_children_per_group_max = 0; + cap->sched_wfq_n_groups_max = 0; + /** + * SW only supports fair round robin now. + * So, all the nodes should have the same weight. + */ + cap->sched_wfq_weight_max = 1; + cap->cman_head_drop_supported = 0; + cap->dynamic_update_mask = 0; + cap->shaper_pkt_length_adjust_min = RTE_TM_ETH_FRAMING_OVERHEAD; + cap->shaper_pkt_length_adjust_max = RTE_TM_ETH_FRAMING_OVERHEAD_FCS; + cap->cman_wred_context_n_max = 0; + cap->cman_wred_context_private_n_max = 0; + cap->cman_wred_context_shared_n_max = 0; + cap->cman_wred_context_shared_n_nodes_per_context_max = 0; + cap->cman_wred_context_shared_n_contexts_per_node_max = 0; + cap->stats_mask = 0; + + return 0; +} -- 1.9.3